refactor: use forge lint over solhint and adjust code accordingly

status-network-contracts/foundry.toml

@@ -42,8 +42,10 @@
   tab_width = 4
   wrap_comments = true
 
-[profile.lint]
+[lint]
 lint_on_build = false # Since we are using our own linting solution, we can disable built in one
+exclude_lints = ["mixed-case-variable", "mixed-case-function"]
+ignore = ["src/utils/ERC20VotesUpgradeable.sol"]
 
 [rpc_endpoints]
   arbitrum = "https://arbitrum-mainnet.infura.io/v3/${API_KEY_INFURA}"

status-network-contracts/package.json

@@ -7,7 +7,6 @@
   },
   "devDependencies": {
     "prettier": "^3.0.0",
-    "solhint-community": "^3.6.0",
     "commit-and-tag-version": "^12.2.0"
   },
   "keywords": [
@@ -29,7 +28,7 @@
     "verify:mp_less_equal_max_mp": "certoraRun certora/confs/MPLessEqualMaxMP.conf",
     "verify:emergency_mode": "certoraRun certora/confs/EmergencyMode.conf",
     "verify:karma": "certoraRun certora/confs/Karma.conf",
-    "lint:sol": "forge fmt --check && pnpm solhint {script,src,test,certora}/**/*.sol",
+    "lint:sol": "forge fmt --check && forge lint",
     "prettier:check": "prettier --check **/*.{json,md,yml} --ignore-path=.prettierignore",
     "prettier:write": "prettier --write **/*.{json,md,yml} --ignore-path=.prettierignore",
     "gas-report": "forge snapshot --gas-report 2>&1 | (tee /dev/tty | awk '/Suite result:/ {found=1; buffer=\"\"; next} found && !/Ran/ {buffer=buffer $0 ORS} /Ran/ {found=0} END {printf \"%s\", buffer}' > .gas-report)",

status-network-contracts/script/DeployKarmaNFT.s.sol

@@ -5,8 +5,6 @@ import { BaseScript } from "./Base.s.sol";
 import { DeploymentConfig } from "./DeploymentConfig.s.sol";
 
 import { KarmaNFT } from "../src/KarmaNFT.sol";
-import { NFTMetadataGeneratorSVG } from "../src/nft-metadata-generators/NFTMetadataGeneratorSVG.sol";
-import { INFTMetadataGenerator } from "../src/interfaces/INFTMetadataGenerator.sol";
 
 /**
  * @dev Script for deploying KarmaNFT contract and its dependencies.
@@ -34,13 +32,7 @@ contract DeployKarmaNFTScript is BaseScript {
      * @return karmaNFT The deployed KarmaNFT contract instance.
      * @return deploymentConfig The DeploymentConfig instance for the current network.
      */
-    function runForTest(
-        address metadataGenerator,
-        address karmaAddress
-    )
-        public
-        returns (KarmaNFT, DeploymentConfig)
-    {
+    function runForTest(address metadataGenerator, address karmaAddress) public returns (KarmaNFT, DeploymentConfig) {
         DeploymentConfig deploymentConfig = new DeploymentConfig(broadcaster);
         KarmaNFT karmaNFT = deploy(broadcaster, metadataGenerator, karmaAddress);
         return (karmaNFT, deploymentConfig);

status-network-contracts/script/DeployStakeManager.s.sol

@@ -1,16 +1,12 @@
 // SPDX-License-Identifier: MIT
 pragma solidity ^0.8.26;
 
-import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 import { ERC1967Proxy } from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol";
-import { Clones } from "@openzeppelin/contracts/proxy/Clones.sol";
 
 import { BaseScript } from "./Base.s.sol";
 import { DeploymentConfig } from "./DeploymentConfig.s.sol";
 
 import { StakeManager } from "../src/StakeManager.sol";
-import { StakeVault } from "../src/StakeVault.sol";
-import { VaultFactory } from "../src/VaultFactory.sol";
 
 /**
  * @dev This script deploys the StakeManager contract as an upgradeable proxy using a Transparent Proxy pattern.

status-network-contracts/src/Karma.sol

@@ -4,7 +4,6 @@ pragma solidity 0.8.26;
 import { AccessControlUpgradeable } from "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
 import { Initializable } from "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
 import { UUPSUpgradeable } from "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
-import { ERC20Upgradeable } from "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
 import { ERC20VotesUpgradeable } from "./utils/ERC20VotesUpgradeable.sol";
 import { IRewardDistributor } from "./interfaces/IRewardDistributor.sol";
 import { EnumerableSet } from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
@@ -88,17 +87,13 @@ contract Karma is Initializable, ERC20VotesUpgradeable, UUPSUpgradeable, AccessC
 
     /// @notice Modifier to check if sender is admin or operator
     modifier onlyAdminOrOperator() {
-        if (!hasRole(DEFAULT_ADMIN_ROLE, msg.sender) && !hasRole(OPERATOR_ROLE, msg.sender)) {
-            revert Karma__Unauthorized();
-        }
+        _onlyAdminOrOperator(msg.sender);
         _;
     }
 
     /// @notice Modifier to check if sender has slasher role
     modifier onlySlasher() {
-        if (!hasRole(DEFAULT_ADMIN_ROLE, msg.sender) && !hasRole(SLASHER_ROLE, msg.sender)) {
-            revert Karma__Unauthorized();
-        }
+        _onlySlasher(msg.sender);
         _;
     }
 
@@ -397,6 +392,18 @@ contract Karma is Initializable, ERC20VotesUpgradeable, UUPSUpgradeable, AccessC
         return (super.balanceOf(account) + externalBalance);
     }
 
+    function _onlyAdminOrOperator(address sender) internal view {
+        if (!hasRole(DEFAULT_ADMIN_ROLE, sender) && !hasRole(OPERATOR_ROLE, sender)) {
+            revert Karma__Unauthorized();
+        }
+    }
+
+    function _onlySlasher(address sender) internal view {
+        if (!hasRole(DEFAULT_ADMIN_ROLE, sender) && !hasRole(SLASHER_ROLE, sender)) {
+            revert Karma__Unauthorized();
+        }
+    }
+
     /*//////////////////////////////////////////////////////////////////////////
                            VIEW FUNCTIONS
     //////////////////////////////////////////////////////////////////////////*/

status-network-contracts/src/KarmaAirdrop.sol

@@ -33,39 +33,41 @@ contract KarmaAirdrop is Ownable2Step, Pausable {
     event MerkleRootSet(bytes32 merkleRoot);
 
     /// @notice The address of the Karma token contract
-    address public immutable token;
+    address public immutable TOKEN;
     /// @notice Whether the merkle root can be updated more than once
-    bool public immutable allowMerkleRootUpdate;
+    bool public immutable ALLOW_MERKLE_ROOT_UPDATE;
     /// @notice The default delegatee address for new claimers
-    address public immutable defaultDelegatee;
+    address public immutable DEFAULT_DELEGATEE;
     /// @notice The Merkle root of the airdrop
     bytes32 public merkleRoot;
     /// @notice Current epoch - incremented with each merkle root update
     uint256 public epoch;
     /// @notice A bitmap to track claimed indices per epoch
     mapping(uint256 => mapping(uint256 => uint256)) private claimedBitMap;
+    /// @notice Base value for creating bitmap masks
+    uint256 private constant BITMAP_MASK_BASE = 1;
 
     constructor(address _token, address _owner, bool _allowMerkleRootUpdate, address _defaultDelegatee) {
-        token = _token;
-        allowMerkleRootUpdate = _allowMerkleRootUpdate;
-        defaultDelegatee = _defaultDelegatee;
+        TOKEN = _token;
+        ALLOW_MERKLE_ROOT_UPDATE = _allowMerkleRootUpdate;
+        DEFAULT_DELEGATEE = _defaultDelegatee;
         _transferOwnership(_owner);
     }
 
     /**
      * @notice Sets the Merkle root for the airdrop. Can only be called by the owner.
-     * If allowMerkleRootUpdate is false, can only be called once.
+     * If ALLOW_MERKLE_ROOT_UPDATE;is false, can only be called once.
      * When updating an existing merkle root, the contract must be paused to prevent front-running.
      * When the merkle root is updated, the epoch is incremented, creating a new bitmap.
      * @param _merkleRoot The Merkle root to set
      */
     function setMerkleRoot(bytes32 _merkleRoot) external onlyOwner {
-        if (!allowMerkleRootUpdate && merkleRoot != bytes32(0)) {
+        if (!ALLOW_MERKLE_ROOT_UPDATE && merkleRoot != bytes32(0)) {
             revert KarmaAirdrop__MerkleRootAlreadySet();
         }
 
         // When updating an existing merkle root (not the first time), contract must be paused
-        if (allowMerkleRootUpdate && merkleRoot != bytes32(0) && !paused()) {
+        if (ALLOW_MERKLE_ROOT_UPDATE && merkleRoot != bytes32(0) && !paused()) {
             revert KarmaAirdrop__MustBePausedToUpdate();
         }
 
@@ -87,14 +89,15 @@ contract KarmaAirdrop is Ownable2Step, Pausable {
         uint256 claimedWordIndex = index / 256;
         uint256 claimedBitIndex = index % 256;
         uint256 claimedWord = claimedBitMap[epoch][claimedWordIndex];
-        uint256 mask = (1 << claimedBitIndex);
+        uint256 mask = (BITMAP_MASK_BASE << claimedBitIndex);
         return claimedWord & mask == mask;
     }
 
     function _setClaimed(uint256 index) private {
         uint256 claimedWordIndex = index / 256;
         uint256 claimedBitIndex = index % 256;
-        claimedBitMap[epoch][claimedWordIndex] = claimedBitMap[epoch][claimedWordIndex] | (1 << claimedBitIndex);
+        claimedBitMap[epoch][claimedWordIndex] =
+            claimedBitMap[epoch][claimedWordIndex] | (BITMAP_MASK_BASE << claimedBitIndex);
     }
 
     /**
@@ -130,20 +133,21 @@ contract KarmaAirdrop is Ownable2Step, Pausable {
         }
 
         // Verify the merkle proof.
+        /// forge-lint: disable-next-line(asm-keccak256)
         bytes32 node = keccak256(abi.encodePacked(index, account, amount));
         if (!MerkleProof.verify(merkleProof, merkleRoot, node)) {
             revert KarmaAirdrop__InvalidProof();
         }
 
         // Mark it claimed and send the token.
         _setClaimed(index);
-        if (!IERC20(token).transfer(account, amount)) {
+        if (!IERC20(TOKEN).transfer(account, amount)) {
             revert KarmaAirdrop__TransferFailed();
         }
 
         // If the account has no karma balance before this claim, delegate to the default delegatee
-        if (IERC20(token).balanceOf(account) == amount) {
-            IVotes(token).delegateBySig(defaultDelegatee, nonce, expiry, v, r, s);
+        if (IERC20(TOKEN).balanceOf(account) == amount) {
+            IVotes(TOKEN).delegateBySig(DEFAULT_DELEGATEE, nonce, expiry, v, r, s);
         }
 
         emit Claimed(index, account, amount);

status-network-contracts/src/KarmaNFT.sol

@@ -20,6 +20,7 @@ contract KarmaNFT is Ownable {
     error KarmaNFT__InvalidTokenId();
 
     /// @notice The ERC20 token used to determine karma
+    /// forge-lint: disable-next-line(screaming-snake-case-immutable)
     IERC20 public immutable karmaToken;
     /// @notice The metadata generator contract
     INFTMetadataGenerator public metadataGenerator;
@@ -33,9 +34,7 @@ contract KarmaNFT is Ownable {
     event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
 
     modifier onlyValidTokenId(uint256 tokenId) {
-        if (tokenId > type(uint160).max) {
-            revert KarmaNFT__InvalidTokenId();
-        }
+        _onlyValidTokenId(tokenId);
         _;
     }
 
@@ -75,6 +74,7 @@ contract KarmaNFT is Ownable {
      * @return address The owner address corresponding to the token ID.
      */
     function ownerOf(uint256 tokenId) external pure onlyValidTokenId(tokenId) returns (address) {
+        // forge-lint: disable-next-line(unsafe-typecast)
         address owner = address(uint160(tokenId));
         return owner;
     }
@@ -134,8 +134,15 @@ contract KarmaNFT is Ownable {
      * @return string The token URI containing metadata.
      */
     function tokenURI(uint256 tokenId) external view onlyValidTokenId(tokenId) returns (string memory) {
+        // forge-lint: disable-next-line(unsafe-typecast)
         address account = address(uint160(tokenId));
         uint256 balance = karmaToken.balanceOf(account);
         return metadataGenerator.generate(account, balance);
     }
+
+    function _onlyValidTokenId(uint256 tokenId) internal pure {
+        if (tokenId > type(uint160).max) {
+            revert KarmaNFT__InvalidTokenId();
+        }
+    }
 }

status-network-contracts/src/KarmaTiers.sol

@@ -35,9 +35,7 @@ contract KarmaTiers is Ownable {
     }
 
     modifier onlyValidTierId(uint8 tierId) {
-        if (tierId >= tiers.length) {
-            revert TierNotFound();
-        }
+        _onlyValidTierId(tierId);
         _;
     }
 
@@ -153,4 +151,10 @@ contract KarmaTiers is Ownable {
     function getTierById(uint8 tierId) external view onlyValidTierId(tierId) returns (Tier memory tier) {
         return tiers[tierId];
     }
+
+    function _onlyValidTierId(uint8 tierId) internal view {
+        if (tierId >= tiers.length) {
+            revert TierNotFound();
+        }
+    }
 }